Geologic Time Scale
The geologic time scale is a system of chronological measurement that relates stratigraphy to time, and is used by geologists, paleontologists, and other earth scientists to describe the timing and relationships between events that have occurred throughout Earth's history. The table of geologic time spans presented here agrees with the dates and nomenclature set forth by the International Commission on Stratigraphy, and uses the standard color codes of the United States Geological Survey.
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Famous quotes containing the words time and/or scale:
“We laugh and we touch.
I promise you love. Time will not take away that.”
—Anne Sexton (1928–1974)
“Another armored animal—scale
lapping scale with spruce-cone regularity until they
form the uninterrupted central
tail-row!”
—Marianne Moore (1887–1972)